gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.arc / src / main / java / org / gvsig / vectorediting / lib / prov / arc / ArcEditingProvider.java @ 2444
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2014 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.vectorediting.lib.prov.arc; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.service.spi.ProviderServices; |
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import org.gvsig.vectorediting.lib.api.DrawingStatus; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter; |
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import org.gvsig.vectorediting.lib.api.EditingServiceParameter.TYPE; |
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import org.gvsig.vectorediting.lib.api.exceptions.DrawServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.FinishServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.InvalidEntryException; |
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import org.gvsig.vectorediting.lib.api.exceptions.StartServiceException; |
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import org.gvsig.vectorediting.lib.api.exceptions.StopServiceException; |
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import org.gvsig.vectorediting.lib.spi.AbstractEditingProvider; |
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import org.gvsig.vectorediting.lib.spi.DefaultDrawingStatus; |
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import org.gvsig.vectorediting.lib.spi.DefaultEditingServiceParameter; |
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import org.gvsig.vectorediting.lib.spi.EditingProvider; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderFactory; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderLocator; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderManager; |
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import org.gvsig.vectorediting.lib.spi.EditingProviderServices; |
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/**
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* @author llmarques
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*
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*/
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public class ArcEditingProvider extends AbstractEditingProvider implements |
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EditingProvider { |
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private EditingServiceParameter startPoint;
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private EditingServiceParameter endPoint;
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private EditingServiceParameter middlePoint;
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private Map<EditingServiceParameter, Object> values; |
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private FeatureStore featureStore;
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/**
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* Default constructor.
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*
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* @param providerServices
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* available services for this provider
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* @param parameters
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* of this provider
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*/
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public ArcEditingProvider(ProviderServices providerServices,
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DynObject parameters) { |
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super(providerServices);
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this.featureStore =
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(FeatureStore) parameters |
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.getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD); |
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this.startPoint =
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new DefaultEditingServiceParameter("start_point", "start_point", |
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TYPE.POSITION); |
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this.endPoint =
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new DefaultEditingServiceParameter("end_point", "end_point", |
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TYPE.POSITION); |
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this.middlePoint =
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new DefaultEditingServiceParameter("middle_point", "middle_point", |
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TYPE.POSITION); |
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} |
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public EditingServiceParameter next() {
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if (values.get(startPoint) == null) { |
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return this.startPoint; |
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} else if (values.get(endPoint) == null) { |
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return this.endPoint; |
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} else if (values.get(middlePoint) == null) { |
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return this.middlePoint; |
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} |
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return null; |
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} |
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public DrawingStatus getDrawingStatus(Point mousePosition) |
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throws DrawServiceException {
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DefaultDrawingStatus geometries = new DefaultDrawingStatus();
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EditingProviderManager editingProviderManager = |
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EditingProviderLocator.getProviderManager(); |
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ISymbol lineSymbolEditing = editingProviderManager.getSymbol("auxiliary-line-symbol-editing");
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ISymbol auxiliaryLineSymbolEditing = editingProviderManager.getSymbol("auxiliary-line-symbol-editing");
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ISymbol auxiliaryPointSymbolEditing = editingProviderManager.getSymbol("auxiliary-point-symbol-editing");
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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if ((values != null) && (values.get(startPoint) != null)) { |
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Point startPointValue = (Point) values.get(startPoint); |
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geometries.addStatus(startPointValue, auxiliaryPointSymbolEditing, "");
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if (values.get(endPoint) == null) { |
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try {
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int subtype =
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editingProviderServices.getSubType(featureStore); |
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Curve line = |
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editingProviderServices.createLine(startPointValue, |
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mousePosition, subtype); |
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geometries.addStatus(line, auxiliaryLineSymbolEditing, "");
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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return geometries;
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} else {
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Point endPointValue = (Point) values.get(endPoint); |
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geometries.addStatus(endPointValue, auxiliaryPointSymbolEditing, "");
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try {
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int subtype =
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editingProviderServices.getSubType(featureStore); |
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Curve line1 = |
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editingProviderServices.createLine(startPointValue,mousePosition, subtype); |
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geometries.addStatus(line1, auxiliaryLineSymbolEditing, "");
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Curve line2 = |
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editingProviderServices.createLine(endPointValue,mousePosition, subtype); |
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geometries.addStatus(line2, auxiliaryLineSymbolEditing, "");
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Point center =
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editingProviderServices.getCenter(startPointValue, |
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mousePosition, endPointValue, subtype); |
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geometries.addStatus(center, auxiliaryPointSymbolEditing, "");
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Curve arc = |
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editingProviderServices.createArc(startPointValue, |
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mousePosition, endPointValue, subtype); |
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geometries.addStatus(arc, lineSymbolEditing, "");
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} catch (Exception e) { |
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throw new DrawServiceException(e); |
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} |
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return geometries;
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} |
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} |
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return null; |
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} |
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public void stop() throws StopServiceException { |
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values.clear(); |
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} |
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public List<EditingServiceParameter> getParameters() { |
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List<EditingServiceParameter> parameters =
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new ArrayList<EditingServiceParameter>(); |
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parameters.add(startPoint); |
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parameters.add(endPoint); |
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parameters.add(middlePoint); |
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return parameters;
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} |
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@Override
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public void setValue(EditingServiceParameter parameter, Object value) throws InvalidEntryException { |
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validateAndInsertValue(parameter, value); |
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} |
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public void setValue(Object value) throws InvalidEntryException { |
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EditingServiceParameter param = next(); |
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validateAndInsertValue(param, value); |
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} |
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private void validateAndInsertValue(EditingServiceParameter param, |
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Object value) throws InvalidEntryException { |
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if (param == startPoint) {
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if (value instanceof Point) { |
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values.put(param, value); |
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return;
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} |
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} else if (param == endPoint) { |
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if (value instanceof Point) { |
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if(((Point)value).equals((Point)values.get(startPoint))){ |
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throw new InvalidEntryException(null); |
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} |
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values.put(param, value); |
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return;
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} |
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} else if (param == middlePoint) { |
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if (value instanceof Point) { |
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if(((Point)value).equals((Point)values.get(startPoint)) || ((Point)value).equals((Point)values.get(endPoint))){ |
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throw new InvalidEntryException(null); |
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} |
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values.put(param, value); |
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return;
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} |
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} |
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throw new InvalidEntryException(null); |
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} |
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public Geometry finish() throws FinishServiceException { |
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Point startPointValue = (Point) values.get(startPoint); |
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Point middlePointValue = (Point) values.get(middlePoint); |
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Point endPointValue = (Point) values.get(endPoint); |
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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try {
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int subtype =
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editingProviderServices.getSubType(featureStore); |
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Curve arc = |
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editingProviderServices.createArc(startPointValue, |
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middlePointValue, endPointValue, subtype); |
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GeometryType geomType = |
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editingProviderServices.getGeomType(featureStore); |
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if (geomType.isTypeOf(MULTICURVE)) {
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MultiCurve multiCurve; |
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multiCurve = |
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GeometryLocator.getGeometryManager().createMultiCurve( |
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geomType.getSubType()); |
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multiCurve.addCurve(arc); |
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return multiCurve;
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} |
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return arc;
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} catch (Exception e) { |
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throw new FinishServiceException(e); |
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} |
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} |
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public void finishAndStore() throws FinishServiceException { |
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Geometry geometry = finish(); |
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EditingProviderServices editingProviderServices = |
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(EditingProviderServices) getProviderServices(); |
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editingProviderServices.insertGeometryIntoFeatureStore(geometry, |
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featureStore); |
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} |
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public void start() throws StartServiceException { |
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values = new HashMap<EditingServiceParameter, Object>(); |
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} |
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public String getName() { |
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return ArcEditingProviderFactory.PROVIDER_NAME;
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} |
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@Override
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public Object getValue(EditingServiceParameter parameter) { |
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return values!=null?values.get(parameter):null; |
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} |
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} |